@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

/* ================= RESET & BASIC ================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

/* CSS Variables untuk Tema Terang & Gelap */
:root {
    --bg-color: #f3f4f6;
    --text-color: #374151;
    --card-bg: #ffffff;
    --nav-bg: #ffffff;
    --border-color: #e5e7eb;
}

body.dark-mode {
    --bg-color: #111827;
    --text-color: #f9fafb;
    --card-bg: #1f2937;
    --nav-bg: #1f2937;
    --border-color: #374151;
}

/* Body untuk halaman Login, Register, dll (Centered) */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    /* Agar form tidak menempel di tepi layar HP */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Override body khusus untuk halaman dashboard */
body.dashboard-mode {
    display: block;
    /* Tidak dipusatkan di tengah seperti form login */
    padding: 0;
}


/* ================= KOTAK FORM (LOGIN/REGISTER) ================= */
.container {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid var(--border-color);
}

.container:hover {
    transform: translateY(-5px);
}

h2 {
    text-align: center;
    margin-bottom: 25px;
    color: inherit;
    font-weight: 600;
}


/* ================= FORM ELEMENTS ================= */
.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: inherit;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    outline: none;
    background-color: var(--card-bg);
}


/* ================= BUTTONS ================= */
.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
    text-decoration: none;
    margin-top: 10px;
}

.btn-primary {
    background: #3b82f6;
    color: #fff;
}

.btn-primary:hover {
    background: #2563eb;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-success {
    background: #10b981;
    color: #fff;
}

.btn-success:hover {
    background: #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: #f59e0b;
    color: #fff;
}

.btn-warning:hover {
    background: #d97706;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-danger {
    background: #ef4444;
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}


/* ================= TEKS & LINK & ALERT ================= */
p {
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
    color: #6b7280;
}

a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

a:hover {
    color: #2563eb;
    text-decoration: underline;
}

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}


/* ================= DASHBOARD LAYOUT ================= */
.navbar {
    background-color: var(--nav-bg);
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.navbar .logo {
    font-size: 20px;
    font-weight: 700;
    color: #3b82f6;
}

.navbar-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    font-size: 14px;
}

.navbar-links a:hover {
    color: #3b82f6;
}

.main-content {
    padding: 40px 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

/* Statistik Grid (Menggunakan CSS Grid agar otomatis menyesuaikan baris di HP) */
.stats-grid {
    display: grid;
    /* Ini akan membuat kolom stat menyesuaikan layar. Minimal lebar 250px, jika sisa ruang ada, akan membesar (1fr) */
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    text-align: center;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 16px;
    color: inherit;
    margin-bottom: 10px;
}

.stat-card .number {
    font-size: 36px;
    font-weight: 700;
    color: #3b82f6;
}


/* ================= RESPONSIVE DESIGN (MEDIA QUERIES) ================= */

/* Layar Tablet & Smartphone (Maksimal Lebar 768px) */
@media screen and (max-width: 768px) {

    /* Ubah ukuran padding dan margin untuk layar kecil */
    .container {
        padding: 30px 20px;
        /* Kurangi padding kotak login di HP */
    }

    .main-content {
        padding: 20px 15px;
        /* Kurangi jarak pinggir di dashboard */
    }

    /* Modifikasi Navbar agar rapi di HP */
    .navbar {
        flex-direction: column;
        /* Menu tumpuk atas-bawah */
        gap: 15px;
        padding: 15px;
    }

    .navbar-links {
        display: flex;
        flex-wrap: wrap;
        /* Jika menu panjang, otomatis turun ke bawahnya */
        justify-content: center;
        gap: 10px;
    }

    .navbar-links a {
        margin-left: 0;
        background-color: rgba(59, 130, 246, 0.1);
        /* Memberi kotak samar pada link agar mudah dipencet jari */
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 13px;
    }

    /* Atur ulang ukuran font pada layar kecil */
    .stat-card .number {
        font-size: 30px;
    }
}

/* Layar HP Sangat Kecil (Maksimal 480px) */
@media screen and (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
        /* 1 baris 1 kartu untuk HP kecil */
    }

    .navbar-links a {
        flex: 1 1 40%;
        /* Menu akan menjadi 2 kolom di HP kecil */
        text-align: center;
    }
}

/* ================= TABLE STYLING ================= */
.table-responsive {
    overflow-x: auto;
    margin-top: 15px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    color: inherit;
}

.table th {
    background-color: rgba(0, 0, 0, 0.03);
    font-weight: 600;
}

/* Penyesuaian background tabel untuk Dark Mode */
body.dark-mode .table th {
    background-color: rgba(255, 255, 255, 0.05);
}

.table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

.action-buttons {
    display: flex;
    gap: 8px;
}

/* Tombol kecil untuk tabel */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    margin-top: 0;
    width: auto;
}